Yunnan Baiyao can generally relieve certain complications of the stomach, but it cannot be used to treat stomach problems. Yunnan Baiyao has the effect of removing blood stasis and stopping bleeding, so it can alleviate the symptoms of ulcerative bleeding caused by gastric diseases, but it does not have much effect on the treatment of gastric diseases itself. The main effect of Yunnan Baiyao is to remove blood stasis and stop bleeding, detoxify and eliminate swelling, as well as activate blood circulation and relieve pain. It can be used to treat bruises and swelling pain, bruises and leakage of blood (excessive menstrual flow or dripping), as well as vomiting blood, hemoptysis, blood in stools, surgical hemorrhage, soft tissue contusion, and ulcers and poisons, and it can be used for the treatment of ulcerative hemorrhage, etc. The adverse effects of Yunnan Baiyao are mainly due to the fact that it can relieve the symptoms of ulcerative bleeding caused by gastric diseases. Adverse reactions to Yunnan Baiyao are mainly occasional allergic reactions, and it is contraindicated in pregnant women and people with allergies. In addition, the application of Yunnan Baiyao has certain risks, and patients need to get the guidance of specialized doctors.